Steel structure health monitoring system and method based on digital twinborn technology

A technology of health monitoring system and steel structure, applied in measurement devices, image data processing, data processing applications, etc., can solve the problems of analysis and prediction deviation, failure to achieve high-quality digital models, etc., to improve reliability and increase damage Identify and expand the effect of connotation

Pending Publication Date: 2021-10-29
洛阳星派数值仿真研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the system does not implement high-quality digital models, which may cause analysis and prediction deviations

Method used

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  • Steel structure health monitoring system and method based on digital twinborn technology
  • Steel structure health monitoring system and method based on digital twinborn technology

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment one refers to figure 1, a steel structure health monitoring system and method based on digital twin technology, including a distributed data acquisition system (1), a remote data transmission and control system (2); the remote data transmission and control system (2) includes a local computer system ( 21), remote management and monitoring computer system (22), steel structure safety performance prediction module (23), three-dimensional model and visualization module (24) and alarm module (25); distributed acquisition system (1) includes A number of structural load sensors (11) and environmental monitoring sensors (11) on the structure, the distributed acquisition system (1) performs dynamic online monitoring and acquisition of the data collected by each sensor (11), and uploads the collected data through the 5G network To the remote management and monitoring computer system (22); the local computer system (21) is connected to the network of the remote managem...

Embodiment 2

[0031] Embodiment two refers to figure 2 , a steel structure health monitoring system and method based on digital twin technology, the difference from Embodiment 1 is that the finite element simulation analysis model refinement creation method is used, and the steel structure safety performance prediction module (23) also includes complex large-scale Model processing module (235), finite element model correction module (236), experimental model fusion module (237); the initial structural value of the finite element simulation analysis model (232) passes the finite element model correction module (236) and the experimental model fusion module (237) is converted into a fine structure value to obtain a finite element simulation analysis model (232) with a fine structure value. Carry out inversion-based fault location through the damage identification module (234), to accurately predict the structural response and judge the failure, through the analysis and calculation of the ste...

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Abstract

The invention discloses a steel structure health monitoring system based on a digital twinborn technology. The steel structure health monitoring system comprises a distributed data acquisition system and a remote data transmission and control system, the remote data transmission and control system comprises a local computer system, a remote management monitoring computer system and a steel structure safety performance prediction module; and the steel structure safety performance prediction module comprises a steel structure digital twin model, a finite element simulation analysis model and a load identification module, and the steel structure digital twin model corresponds to the finite element simulation analysis model. According to the invention, a scientific and full-life-cycle steel structure management system is constructed, and scientific and normative guidance is provided for measuring point arrangement, data processing, calculation and comparison, load identification, fatigue evaluation and maintenance scheme design. According to the invention, long-term tracking monitoring of the overall damage of the steel structure can be realized, the connotation of the steel structure detection field is greatly expanded, and the reliability of prediction and evaluation is improved.

Description

technical field [0001] The invention relates to the field of steel structure monitoring, in particular to a steel structure health monitoring method, in particular to a steel structure health monitoring system and method based on digital twin technology. Background technique [0002] Structural health monitoring (SHM) refers to the use of on-site non-destructive sensing technology to analyze structural system characteristics including structural response to detect some changes in structural damage or degradation. Traditional structural health monitoring technology includes three parts: sensor development, data acquisition system and signal processing and evaluation. This method can achieve real-time and accurate early warning of monitoring points, but it cannot warn the health status of the overall structure. In addition, the traditional method to achieve accurate monitoring and evaluation of the overall health of the structure has high requirements for sensor accuracy, ins...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F30/13G06T17/00G01D21/02G06Q50/08
CPCG06F30/23G06F30/13G06T17/00G01D21/02G06Q50/08
Inventor 梅帅潘超凡李超
Owner 洛阳星派数值仿真研究院有限公司
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